OS 274 then FR 7350 at Vienna
Hannover → Vienna → Barcelona
Timetable, Vienna time
16:35OS 274 from Hannover at the gate
16:05FR 7350 to Barcelona leaves the gate
23 h 30 apart on the timetable, overnight
FR 7350 leaves 23 h 30 after OS 274 arrives on the timetable: more than half a day, so not a connection we count.